Android Open Source - RollOverSphere---a-simple-libgdx-game My Font Drawer Batch

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Back to project page RollOverSphere---a-simple-libgdx-game.

License

The source code is released under:

MIT License

Java Source Code

package com.igorcrevar.rolloverchuck.utils;
/*ww w .  j  ava  2  s  .co  m*/
import java.util.ArrayList;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.glutils.ShaderProgram;
import com.badlogic.gdx.math.Matrix4;
import com.badlogic.gdx.utils.Disposable;

public class MyFontDrawerBatch implements Disposable {
  private IMyFontDrawerFont myFont;
  private ArrayList<MyFontDrawer> fonts = new ArrayList<MyFontDrawer>(8);
  private Matrix4 projectionMatrix = new Matrix4();
  private float width;
  private float height;
  
  public MyFontDrawerBatch(IMyFontDrawerFont myFont, float width, float height) {
    this.myFont = myFont;
    
    this.width = width;
    this.height = height;
  }
  
  public MyFontDrawer addNew(MyFontDrawer drawer) {
    fonts.add(drawer);
    drawer.init(myFont);
    return drawer;
  }
  
  public void draw(ShaderProgram sp, Texture txt) {
    Gdx.gl.glEnable(GL20.GL_BLEND);
    Gdx.gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA);
    Gdx.gl.glEnable(GL20.GL_TEXTURE_2D);
    Gdx.gl.glActiveTexture(GL20.GL_TEXTURE0);
    txt.bind();
    sp.begin();
    sp.setUniformi("u_texture", 0);    
    for (MyFontDrawer fd : fonts) {
      if (fd.getIsEnabled()) {
        projectionMatrix.setToOrtho2D(0, 0, width, height);
        sp.setUniformMatrix("u_projTrans", projectionMatrix.mul(fd.getViewModelMatrix()));
        fd.draw(sp);
      }
    }
    sp.end();
  }

  @Override
  public void dispose() {
    for (MyFontDrawer fd : fonts) {
      fd.dispose();
    }
  }
}

Java Source Code List

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